Last Updated: March 1, 2011
Other Name: Pakistan Atomic Research Reactor 1
Location: Approximately 15km east of Rawalpindi
Subordinate To: Pakistan Institute of Nuclear Science and Technology
Size: 10MWt
Facility Status: Operational

The Pakistan Research Reactor 1 (PARR-1) is a 10MW pool type research reactor, located at and operated by the Pakistan Institute of Nuclear Science and Technology (PINSTECH). [1]

The U.S.-supplied PARR-1—which went critical on 21 December 1965—was initially designed as a 5MW reactor utilizing highly enriched uranium (HEU). [2] After the United States suspended its supply of HEU, the PARR-1 was converted in 1992 to a 10MW reactor utilizing low-enriched uranium (LEU), which China currently supplies. [3]

The PARR-1 has been used for radioisotope production, beam tube experiments, neutron radiography, and the training of nuclear reactor operators and nuclear engineering students. [4] The PARR-1 is under IAEA safeguards. [5]

Sources:
[1] Pakistan Atomic Energy Commission, "PINSTECH Facility: Irradiation Facilities," www.paec.gov.pk/pinstech.
[2] P.L. Bhola, Pakistan's Nuclear Policy (New Delhi: Sterling Publishers Private Limited, 1993), p. 27.
[3] Global Fissile Material Report 2010, Chapter 10, International Panel on Fissile Materials, December 2010, www.fissilematerials.org; "Science and Technology: Improved Nuclear Research Reactor,'" BBC Summary of World Broadcasts, 20 November 1991.
[4] Tayyab Mahmood Malik and Masood Iqbal, "Pakistan Institute of Nuclear Science and Technology," Presentation at the International Atomic Energy Agency, February 2010, www.iaea.org.
[5] International Atomic Energy Agency, "Status List: Conclusion of Safeguards Agreements, Additional Protocols and Small Quantities Protocols," 4 March 2011, www.iaea.org.

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